<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册页面</title>
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
</head>
<body>
        <!-- 导航栏 -->
        <div class="nav">
            星聊空间
        </div>
    <!-- 主窗口区 -->
    <div class="login-container">
        <div class="login-dialog">
            <h2>注册</h2>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username" style="font-size: 13px;">
            </div>
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <div class="row">
                <button id="submit" onclick="register()">注册</button>
            </div>
            <div class="row">
                <button id="submit" onclick="returnLogin()">去登录</button>
            </div>
        </div>

        <!-- 引入jquery -->
     <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
     <!-- 实现前后端交互逻辑 -->
      <script>


        function returnLogin(){
            location.assign('/login.html')
        }
        function register(){
            /* 1.先获取到输入框的内容 */
            let username = document.querySelector('#username').value;
            let password = document.querySelector('#password').value;
            if(username == "" || password == ""){
                alert("用户名或密码不能为空！")
                return;
            }

            /* 2.发送ajax请求 */
            $.ajax({
                url: '/user/register',
                type: 'post',
                data: {
                    username: username,
                    password: password
                },
                success: function(result){
                console.log(result);

                    //3.处理响应
                    if(result && result.userId >0){
                        alert("注册成功！");
                    }else{
                        alert("注册失败，用户名已存在，请重新输入！");
                    }
                }
            });
        }
      </script>
    </div> <!-- 修复：新增此行，闭合 login-container -->
</body>
</html>